Upside down means in an inverted position, with the part that is usually lowest above the part that is usually highest.
双语例句
例：
chandeliers that resemble upside-down wedding cakes.
酷似倒置的婚礼蛋糕形状的吊灯。
ADV. 副词
1.?倒置地
If something is or has been turned upside down, it has been turned round so that the part that is usually lowest is above the part that is usually highest.